Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2019 8 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/10/2019   18:54:03   (   0.09,-128.40) (  -0.37,-126.34)  235.48                80
 08/11/2019   07:18:06   (  -0.13,-128.41) (  -0.79,-131.52)  353.33                80
 08/13/2019   07:05:54   (  -0.12,-128.42) (  -0.17,-128.56)   15.73                80
 08/15/2019   06:51:03   (  -0.11,-128.44) (   0.51,-125.61)  321.85                80
 08/15/2019   19:14:58   (   0.15,-128.44) (   0.62,-130.76)  263.76                80
 08/17/2019   19:00:06   (   0.14,-128.45) (  -0.00,-127.80)   73.54                80
 08/19/2019   18:47:54   (   0.13,-128.46) (  -0.63,-124.84)  410.60                80
 08/20/2019   07:11:57   (  -0.17,-128.46) (  -0.53,-130.02)  177.93                80
 08/22/2019   06:57:06   (  -0.16,-128.47) (   0.16,-127.08)  158.41                80
 08/22/2019   19:21:00   (   0.20,-128.45) (   1.02,-132.22)  428.33                80